vcl 4.1;

import std;
import asn;
import mmdb;

sub vcl_init {
        new geodb_ASN = mmdb.init("/etc/varnish/mmdb/GeoLite2-ASN_20260312/GeoLite2-ASN.mmdb");
}

sub vcl_backend_response {
        ### HYDROLIX LOGGING
        std.log("origin_ip: " + bereq.backend);
        # Client IP
        std.log("client_ip: " + "-");

# Edge / Varnish server info
        std.log("edge_ip: " + "-");
        std.log("client_asn: "+ "-");
        std.log("client_city: "+ "-");
}

sub vcl_deliver {

### HYDROLIX LOGGING
        # Client IP
        std.log("client_ip: " + client.ip);

# Edge / Varnish server info
        std.log("edge_ip: " + server.ip);

std.log("client_asn: "+ geodb_ASN.lookup(client.ip, "autonomous_system_number"));
        if(geodb_ASN.lookup(client.ip, "city/names/en") == "") {
               std.log("client_city: " + "EMPTY");
        }
        #std.log("client_city: "+ geodb.lookup(client.ip, "city/names/en"));
        # Edge POP (optional, if you have it in a header or config)
        if (req.http.X-Edge-POP) {
            std.log("edge_pop: " + req.http.X-Edge-POP);
        }
}